CN217713604U - Medium-high speed ratio semi-direct-drive compact wind power gear box transmission structure - Google Patents
Medium-high speed ratio semi-direct-drive compact wind power gear box transmission structure Download PDFInfo
- Publication number
- CN217713604U CN217713604U CN202220898699.8U CN202220898699U CN217713604U CN 217713604 U CN217713604 U CN 217713604U CN 202220898699 U CN202220898699 U CN 202220898699U CN 217713604 U CN217713604 U CN 217713604U
- Authority
- CN
- China
- Prior art keywords
- flexible pin
- planetary gear
- bearing
- gear transmission
- planet carrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Retarders (AREA)
Abstract
The utility model discloses a medium-high speed ratio semi-direct-drive compact wind power gear box transmission structure, which comprises a main box body, a generator shell, a main shaft bearing, a first-stage, a second-stage and a third-stage flexible pin planetary gear transmission, a first duplex spline shaft and a second duplex spline shaft; the outer ring of the main shaft bearing, the main box body and the generator shell are connected into a whole; the primary, secondary and tertiary flexible pin planetary gear transmissions are sequentially arranged in the main box body from front to back, the wind power hub is arranged at the front end of the primary flexible pin planetary gear transmission, and the wind power hub, the primary flexible pin planetary gear transmission and the inner ring of the main shaft bearing are connected into a whole; the secondary flexible pin planetary gear is in transmission connection with the primary flexible pin planetary gear through a first duplex spline shaft; and the third-stage flexible pin planetary gear transmission is in transmission connection with the second-stage flexible pin planetary gear through a second duplex spline shaft. The utility model discloses guaranteeing under the unchangeable or slightly increased prerequisite of former gear box size and weight, can effectively improve transmission power and velocity ratio, reduce the unit cost.
Description
Technical Field
The utility model belongs to the technical field of the driven technique of wind power generation gear box and specifically relates to indicate a half compact wind-powered electricity generation gear box transmission structure that directly drives of well high speed ratio.
Background
In the prior art, a semi-direct-drive compact wind power gear box adopts two-stage planetary gear transmission, and the total speed ratio is between 20 and 30, as shown in fig. 1, the structure diagram of the transmission structure of the semi-direct-drive compact wind power gear box is shown. When the wind driven generator works, power and rotating speed obtained by blades through wind power are transmitted to the hub 06, the hub 06 is connected with the single-arm planet carrier 07 driven by the first-stage planetary gear, the first-stage planetary gear is in a flexible pin structure, and the flexible pin is installed on the single-arm planet carrier 07. The flexible pin consists of a pin shaft 03 and a pin sleeve 04 which are fixedly connected together through interference, a rolling bearing 02 is assembled on the flexible pin, the flexible pin and the pin sleeve are assembled into a whole with a planet wheel 05 through the rolling bearing 02, an inner gear ring 09 is connected with a fixed box body 011, an inner ring of a main shaft bearing 08 is connected with a wheel hub 06 and a single-arm planet carrier 07 through bolts, and an outer ring of the main shaft bearing is connected with the box body 011 through bolts. Through a known transmission principle, power and rotating speed are finally transmitted to the primary sun gear 01 and then transmitted to the planet carrier 013 of the secondary planetary gear transmission through the spline pair 012, the secondary planetary gear transmission is a traditional planet carrier double-arm structure, 014 is a supporting end cover, 015 is a planet carrier rear bearing, and final power and rotating speed are transmitted to the generator through the secondary sun gear 016.
In the above-mentioned compact wind-powered electricity generation gear box that partly directly drives, because the planet wheel quantity of one-level planetary gear transmission is less, generally 5 planet wheels, and maximum speed ratio 4.5, in order to satisfy the gear strength demand, need do the widening with the gear width and handle. The radial size of the secondary planetary gear transmission is limited under the influence of a generator, and the width of the gear needs to be widened to meet the strength requirement of the gear; simultaneously, the axial dimension of the double-arm planet carrier structure is relatively larger than that of the flexible pin structure, the uneven load coefficient between the planet wheels and the tooth width is larger, and in order to meet the requirement on the strength of the gear, the width of the gear needs to be further widened, so that the weight gain is larger. Meanwhile, the gear box for increasing the generated power on the same platform is greatly limited due to the limitation of the radial size of the main shaft bearing.
With the fast-developing wind power generation market, the generated power is larger and larger, and the cost requirement is continuously reduced. The semi-direct-drive compact wind power gear box is optimized and improved along with market change.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, a half compact wind-powered electricity generation gear box transmission structure that directly drives of well high velocity ratio is provided, under the prerequisite of guaranteeing that former gear box size and weight are unchangeable or slightly increase, adopt tertiary flexible round pin planetary gear transmission, realize great improvement transmission power and velocity ratio, the cost of wind-powered electricity generation gear box can be indirectly reduced in the improvement of power, the cost of generator can directly be reduced in the improvement of velocity ratio, provide a solution for half wind-powered electricity generation gear box transmission structure that directly drives.
In order to achieve the above purpose, the utility model provides a technical scheme does: a medium-high speed ratio semi-direct-drive compact wind power gear box transmission structure comprises a main box body, a generator shell, a main shaft bearing, a primary flexible pin planetary gear transmission, a secondary flexible pin planetary gear transmission, a tertiary flexible pin planetary gear transmission, a first duplex spline shaft, a second duplex spline shaft and a connecting piece; the main box body is arranged at the front end of the generator shell, the main shaft bearing is arranged in the main box body, and an outer ring of the main shaft bearing, the main box body and the generator shell are connected into a whole; the primary flexible pin planetary gear transmission, the secondary flexible pin planetary gear transmission and the tertiary flexible pin planetary gear transmission are sequentially arranged in the main box body from front to back, the primary flexible pin planetary gear transmission is positioned on the inner side of the main shaft bearing, the wind power hub is arranged at the front end of the primary flexible pin planetary gear transmission, the wind power hub, a planet carrier of the primary flexible pin planetary gear transmission and the inner ring of the main shaft bearing are connected into a whole, and the power and the rotating speed transmitted by the wind power blade are transmitted to the primary flexible pin planetary gear transmission through the wind power hub; the inner gear ring of the second-stage flexible pin planetary gear transmission is connected with the main box body, the planet carrier of the second-stage flexible pin planetary gear transmission is connected with the sun gear of the first-stage flexible pin planetary gear transmission through a first duplex spline shaft, and torque and rotating speed are transmitted to the second-stage flexible pin planetary gear transmission through the first duplex spline shaft; the inner gear ring of the third-stage flexible pin planetary gear transmission is connected with the inner gear ring of the second-stage flexible pin planetary gear transmission through a connecting piece arranged between the inner gear ring and the inner gear ring, the planet carrier of the third-stage flexible pin planetary gear transmission is connected with the sun gear of the second-stage flexible pin planetary gear transmission through a second duplex spline shaft, and torque and rotating speed are transmitted to the third-stage flexible pin planetary gear transmission through the second duplex spline shaft and then transmitted to the generator.
Furthermore, the primary flexible pin planetary gear transmission comprises a first planet carrier, a first flexible pin structure, a first planet wheel rolling bearing, a first inner gear ring and a first sun gear, the front end of the first planet carrier is connected with the wind power hub, a plurality of first flexible pin structures are uniformly distributed at the rear end of the first planet carrier along the circumferential direction of the first flexible pin structure, each first flexible pin structure is connected with the first planet carrier through interference fit, the first flexible pin structure comprises a first elastic pin shaft sleeve and a first elastic pin shaft, the first elastic pin shaft sleeve is installed on the first elastic pin shaft through interference fit, each first flexible pin structure is provided with one first planet wheel through the first planet wheel rolling bearing, each first planet wheel is respectively meshed with the first inner gear ring and the first sun gear, the first inner gear ring is connected with the main box body, and the first sun gear is connected with a second planet carrier of the secondary flexible pin planetary gear transmission through a first duplex.
The secondary flexible pin planetary gear transmission comprises a second planet carrier, a second flexible pin structure, a second planet wheel bearing, a second inner gear ring, a second sun gear and a second bearing, the front end of the second planet carrier is rotatably connected with the main box body through the second bearing, the second bearing is a double-row tapered roller bearing and is used for axially and radially positioning the second planet carrier, a plurality of second flexible pin structures are uniformly distributed at the rear end of the second planet carrier along the circumferential direction of the second planet carrier, each second flexible pin structure is connected with the second planet carrier through interference fit, the second flexible pin structure comprises a second elastic pin shaft sleeve and a second elastic pin shaft, the second elastic pin shaft sleeve is installed on the second elastic pin shaft through interference fit, each second flexible pin structure is provided with a second planet wheel through the second planet wheel bearing, the second planet wheel is respectively meshed with the second sun gear and the second planet wheel, the front end of the second inner gear ring is connected with the main box body, the rear end of the second flexible pin shaft is connected with a connector, and the second sun gear is connected with the third-stage planetary gear ring gear through a second double-planet gear shaft.
Furthermore, the three-stage flexible pin planetary gear transmission comprises a third planet carrier, a third flexible pin structure, a third planet wheel bearing, a third inner gear ring, a third sun wheel and a third bearing, the front end of the third planet carrier is rotationally connected with the connecting piece through the third bearing, the third bearing is a double-row tapered roller bearing and is used for axially and radially positioning the third planet carrier, a plurality of third flexible pin structures are uniformly distributed at the rear end of the third planet carrier along the circumferential direction of the third planet carrier, each third flexible pin structure is connected with the third planet carrier through interference fit and comprises a third elastic pin shaft sleeve and a third elastic pin shaft, the third elastic pin shaft sleeve is installed on the third elastic pin shaft through interference fit, each third flexible pin structure is provided with the third planet wheel through the third planet wheel bearing, the third planet wheel is respectively meshed with the third inner gear ring and the third sun wheel, the front end of the third inner gear ring is connected with a second flexible pin gear transmission through the connecting piece, and the third sun wheel is connected with a planetary generator.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
the utility model discloses guaranteeing under the unchangeable or slightly increased prerequisite of former gear box size and weight, adopting tertiary flexible round pin planetary gear transmission, realizing great improvement transmission power and velocity ratio, the improvement of power can indirectly reduce the cost of wind-powered electricity generation gear box, and the improvement of velocity ratio can directly reduce the cost of generator, provides a solution for half direct-drive wind-powered electricity generation gear box transmission structure.
Drawings
Fig. 1 is a schematic structural diagram of a transmission structure of a conventional semi-direct-drive compact wind power gear box.
Fig. 2 is the utility model discloses a semi-direct drive compact wind power gear box transmission structure's schematic structure diagram.
Detailed Description
The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited thereto.
As shown in fig. 2, the medium-high speed ratio semi-direct-drive compact wind power gear box transmission structure according to the embodiment includes a main box body 1, a generator housing 2, a main shaft bearing, a primary flexible pin planetary gear transmission, a secondary flexible pin planetary gear transmission, a tertiary flexible pin planetary gear transmission, a first duplex spline shaft 7, a second duplex spline shaft 8 and a coupling member 9; the main box body 1 is arranged at the front end of the generator shell 2, the main shaft bearing is arranged in the main box body 1, an outer ring 301 of the main shaft bearing, the main box body 1 and the generator shell 2 are connected into a whole, and a wind wheel locking flange safety device 11 is connected to the outer ring 301 of the main shaft bearing; the primary flexible pin planetary gear transmission, the secondary flexible pin planetary gear transmission and the tertiary flexible pin planetary gear transmission are sequentially arranged in the main box body 1 from front to back, the primary flexible pin planetary gear transmission is positioned on the inner side of the main shaft bearing, the wind power hub 10 is arranged at the front end of the primary flexible pin planetary gear transmission, the wind power hub 10, the planet carrier of the primary flexible pin planetary gear transmission and the inner ring 302 of the main shaft bearing are connected into a whole, and the power and the rotating speed transmitted by the wind power blades are transmitted to the primary flexible pin planetary gear transmission through the wind power hub 10; the connection between the secondary flexible pin planetary gear transmission and the primary flexible pin planetary gear transmission is changed from original single-tooth floating to double-tooth floating, an inner gear ring of the secondary flexible pin planetary gear transmission is connected with the main box body 1, a planet carrier of the secondary flexible pin planetary gear transmission is connected with a sun gear of the primary flexible pin planetary gear transmission through a first duplex spline shaft 7, torque and rotating speed are transmitted to the secondary flexible pin planetary gear transmission through the first duplex spline shaft 7, and the uniform load coefficient in the tooth direction can be greatly improved by adopting the double-tooth floating; the three-level flexible pin planetary gear transmission and the two-level flexible pin planetary gear transmission are connected by adopting double-tooth floating, an inner gear ring of the three-level flexible pin planetary gear transmission is connected with an inner gear ring of the two-level flexible pin planetary gear transmission through a connecting piece 9 arranged between the two gear rings, a planet carrier of the three-level flexible pin planetary gear transmission is connected with a sun gear of the two-level flexible pin planetary gear transmission through a second duplex spline shaft 8, torque and rotating speed are transmitted to the three-level flexible pin planetary gear transmission through the second duplex spline shaft 8 and then transmitted to a generator, and the uniform load coefficient in the tooth direction can be further improved by adopting double-tooth floating.
Specifically, the primary flexible pin planetary gear transmission comprises a first planet carrier 401, a first flexible pin structure, a first planet wheel 404, a first planet wheel rolling bearing 405, a first inner gear ring 406 and a first sun gear 407, the front end of the first planet carrier 401 is connected with the wind power hub 10, a plurality of first flexible pin structures are uniformly distributed at the rear end of the first planet carrier along the circumferential direction of the first planet carrier, each first flexible pin structure is connected with the first planet carrier 401 through interference fit, the first flexible pin structures comprise a first elastic pin sleeve 402 and a first elastic pin shaft 403, the first elastic pin sleeve 402 is mounted on the first elastic pin shaft 403 through interference fit, each first flexible pin structure is provided with one first planet wheel 404 through the first planet wheel rolling bearing 405, in the primary flexible pin planetary gear transmission, the number of the first planet wheels 404 is preferably more than 10, in the embodiment, taking 10 first planet wheels 404 as an example, the number of power split is greatly increased, the possibility of power transmission is effectively improved, and the width of the gears can be reduced; each first planet gear 404 is respectively meshed with a first inner gear ring 406 and a first sun gear 407, the first inner gear ring 406 is connected with the main case 1, the first sun gear 407 is connected with a second planet carrier 501 of the two-stage flexible pin planetary gear transmission through a first duplex spline shaft 7, and the diameter of the sun gear is increased due to the reduction of the gear width, so that most of the first duplex spline shaft 7 can be positioned in the rim of the first sun gear 407, and the axial size of the transmission structure is effectively reduced.
Specifically, the secondary flexible pin planetary gear transmission comprises a second planet carrier 501, a second flexible pin structure, a second planet wheel 504, a second planet wheel bearing 505, a second ring gear 506, a second sun gear 507 and a second bearing 508, the front end of the second planet carrier 501 is rotatably connected with the main box body 1 through the second bearing 508, the second bearing 508 is a double-row tapered roller bearing and is used for axially and radially positioning the second planet carrier 501, a plurality of second flexible pin structures are uniformly distributed at the rear end of the second planet carrier 501 along the circumferential direction thereof, each second flexible pin structure is connected with the second planet carrier 501 through interference fit, the second flexible pin structure comprises a second elastic pin shaft sleeve 502 and a second elastic pin shaft 503, the second elastic pin shaft sleeve 502 is mounted on the second elastic pin shaft 503 through interference fit, a second planet wheel bearing 505 is mounted on each second flexible pin structure, the second flexible pin 504 is respectively engaged with the second ring gear 506 and the second sun gear 507, the front end of the second flexible pin shaft sleeve 502 is connected with the main box body 1 through a third-level flexible pin coupling member 601, and the second planet wheel bearing 601 is connected with the third-level flexible pin shaft connector 8.
Through changing the secondary planetary gear transmission from original double-arm type planet carrier structure to flexible pin structure, can reduce secondary planetary gear transmission's axial dimension, owing to do not receive the influence of generator simultaneously, for further reducing axial dimension's purpose, can increase its inner gear ring diameter under radial space allows to satisfy the gear strength demand.
Specifically, the three-stage flexible pin planetary gear transmission comprises a third planet carrier 601, a third flexible pin structure, a third planet wheel 604, a third planet wheel bearing 605, a third ring gear 606, a third sun gear 607 and a third bearing 608, the front end of the third planet carrier 601 is rotatably connected with the coupling member 9 through the third bearing 608, the third bearing 608 is a double-row tapered roller bearing and is used for axially and radially positioning the third planet carrier 601, a plurality of third flexible pin structures are uniformly distributed at the rear end of the third planet carrier 601 along the circumferential direction thereof, each third flexible pin structure is connected with the third planet carrier 601 through interference fit, and comprises a third elastic pin sleeve 602 and a third elastic pin shaft 603, the third elastic pin sleeve 602 is mounted on the third elastic pin shaft 603 through interference fit, a third planet wheel 604 is mounted on each third flexible pin structure through the third planet wheel bearing 605, the third planet wheel is respectively engaged with the third planet wheel 606 and the third sun gear 607, the front end of the third flexible pin sleeve 606 is connected with the second ring gear 506 and the third ring gear 607, and the secondary generator 506 are connected with the third ring gear connector 506 through the flexible pin 607.
In the utility model, the transmission torque of the planet gear with the first-stage flexible pin is large, the bearing is large, so the speed ratio is reduced as much as possible and the burden is reduced, if the embodiment adopts 10 planet gears, the speed ratio is 2.8; due to the design of medium-high speed ratio, the transmission torque of the three-level flexible pin planetary gear is greatly reduced, the bearing is small, and therefore a larger speed ratio can be adopted, for example, when the minimum number of 3 planetary gear transmission is adopted, the transmission ratio can reach about 7. The gear box is designed at the lowest cost by considering that the transmission torque of the three-stage flexible pin planetary gear transmission is smaller than that of the two-stage flexible pin planetary gear transmission. The speed ratio of the final secondary flexible pin planetary gear transmission is determined according to the total speed ratio of the gearbox, and the number of the planetary wheels is adapted to the maximum extent, so that the structure is expected to be compact and the weight is expected to be light.
The utility model discloses guaranteeing under the unchangeable or slightly increased prerequisite of former gear box size and weight, through adopting tertiary flexible round pin planetary gear transmission, transmission power and velocity ratio are effectively improved, simultaneously because whole flexible round pin structures that adopt, carry out all every planet wheel of year through flexible round pin structure, thereby make load average distribution between every planet wheel, greatly reduced gear drive's the uneven coefficient of carrying, gear width can the minimizing, transmission power can be greatly improved, and flexible round pin structure is lighter than traditional two arm-type planet carrier structure weight, effective reduce cost.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a half compact wind-powered electricity generation gear box transmission structure that directly drives of well high velocity ratio which characterized in that: the generator comprises a main box body (1), a generator shell (2), a main shaft bearing, a primary flexible pin planetary gear transmission, a secondary flexible pin planetary gear transmission, a tertiary flexible pin planetary gear transmission, a first duplex spline shaft (7), a second duplex spline shaft (8) and a connecting piece (9); the main box body (1) is arranged at the front end of the generator shell (2), the main shaft bearing is arranged in the main box body (1), and an outer ring (301) of the main shaft bearing, the main box body (1) and the generator shell (2) are connected into a whole; the primary flexible pin planetary gear transmission, the secondary flexible pin planetary gear transmission and the tertiary flexible pin planetary gear transmission are sequentially arranged in the main box body (1) from front to back, the primary flexible pin planetary gear transmission is positioned on the inner side of the main shaft bearing, the wind power hub (10) is arranged at the front end of the primary flexible pin planetary gear transmission, the wind power hub (10), the planet carrier of the primary flexible pin planetary gear transmission and the inner ring (302) of the main shaft bearing are connected into a whole, and the power and the rotating speed transmitted by the wind power blade are transmitted to the primary flexible pin planetary gear transmission through the wind power hub (10); the inner gear ring of the secondary flexible pin planetary gear transmission is connected with the main box body (1), the planet carrier of the secondary flexible pin planetary gear transmission is connected with the sun gear of the primary flexible pin planetary gear transmission through a first duplex spline shaft (7), and the torque and the rotating speed are transmitted to the secondary flexible pin planetary gear transmission through the first duplex spline shaft (7); the inner gear ring of the third-level flexible pin planetary gear transmission is connected with the inner gear ring of the second-level flexible pin planetary gear transmission through a connecting piece (9) arranged between the inner gear ring and the inner gear ring, the planet carrier of the third-level flexible pin planetary gear transmission is connected with the sun gear of the second-level flexible pin planetary gear transmission through a second duplex spline shaft (8), and torque and rotating speed are transmitted to the third-level flexible pin planetary gear transmission through the second duplex spline shaft (8) so as to be transmitted to the generator.
2. The medium-high speed ratio half direct-drive compact wind power gearbox transmission structure of claim 1, characterized in that: the first-stage flexible pin planetary gear transmission comprises a first planet carrier (401), a first flexible pin structure, a first planet wheel (404), a first planet wheel rolling bearing (405), a first inner gear ring (406) and a first sun wheel (407), the front end of the first planet carrier (401) is connected with a wind power hub (10), a plurality of first flexible pin structures are uniformly distributed at the rear end of the first planet carrier along the circumferential direction of the first-stage flexible pin structure, each first flexible pin structure is connected with the first planet carrier (401) through interference fit, the first flexible pin structure comprises a first elastic pin shaft sleeve (402) and a first elastic pin shaft (403), the first elastic pin shaft sleeve (402) is installed on the first elastic pin shaft (403) through interference fit, each first flexible pin structure is provided with the first planet wheel (404) through the first planet wheel rolling bearing (405), each first planet wheel (404) is respectively meshed with the first inner gear ring (406) and the first sun wheel (407), the first planet carrier (406) is connected with a main box body (1), and the first sun wheel (404) is connected with a second-stage planetary spline shaft (501) through a first flexible pin (501) and a second-stage planetary gear shaft (407).
3. The medium-high speed ratio half direct-drive compact wind power gearbox transmission structure of claim 1, characterized in that: the secondary flexible pin planetary gear transmission comprises a second planet carrier (501), a second flexible pin structure, a second planet gear (504), a second planet gear bearing (505), a second inner gear ring (506), a second sun gear (507) and a second bearing (508), the front end of the second planet carrier (501) is rotationally connected with the main box body (1) through a second bearing (508), the second bearing (508) is a double-row tapered roller bearing, is used for axially and radially positioning the second planet carrier (501), a plurality of second flexible pin structures are uniformly distributed at the rear end of the second planet carrier (501) along the circumferential direction, each second flexible pin structure is connected with the second planet carrier (501) through interference fit, and the second flexible pin structure comprises a second elastic pin sleeve (502) and a second elastic pin shaft (503), the second elastic pin shaft sleeve (502) is arranged on a second elastic pin shaft (503) in an interference fit mode, each second flexible pin structure is provided with a second planet wheel (504) through a second planet wheel bearing (505), the second planet gears (504) are respectively meshed with a second inner gear ring (506) and a second sun gear (507), the front end of the second inner gear ring (506) is connected with the main box body (1), the rear end of the third sun gear is connected with a connecting piece (9), and the second sun gear (507) is connected with a third planet carrier (601) of the three-stage flexible pin planetary gear transmission through a second duplex spline shaft (8).
4. The medium-high speed ratio half direct-drive compact wind power gearbox transmission structure of claim 1, characterized in that: the three-stage flexible pin planetary gear transmission comprises a third planet carrier (601), a third flexible pin structure, a third planet wheel (604), a third planet wheel bearing (605), a third ring gear (606), a third sun wheel (607) and a third bearing (608), the front end of the third planet carrier (601) is rotatably connected with a coupling piece (9) through the third bearing (608), the third bearing (608) is a double-row conical roller bearing and is used for axially and radially positioning the third planet carrier (601), a plurality of third flexible pin structures are uniformly distributed at the rear end of the third planet carrier (601) along the circumferential direction of the third planet carrier, each third flexible pin structure is connected with the third planet carrier (601) through interference fit, the third flexible pin structures comprise a third elastic pin shaft sleeve (602) and a third elastic pin shaft (603), the third elastic pin shaft sleeve (602) is mounted on the third elastic pin (603) through interference fit, each third flexible pin structure is provided with the third planet wheel bearing (605), the third flexible pin sleeve (602) is connected with a third planet wheel (604) through a third flexible pin bearing, and is connected with a third planet wheel coupling piece (606), and a second-stage flexible pin generator (606) is connected with a third planet wheel (606), and a third flexible pin (607) through a third flexible pin bearing (607).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220898699.8U CN217713604U (en) | 2022-04-19 | 2022-04-19 | Medium-high speed ratio semi-direct-drive compact wind power gear box transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220898699.8U CN217713604U (en) | 2022-04-19 | 2022-04-19 | Medium-high speed ratio semi-direct-drive compact wind power gear box transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217713604U true CN217713604U (en) | 2022-11-01 |
Family
ID=83790222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220898699.8U Active CN217713604U (en) | 2022-04-19 | 2022-04-19 | Medium-high speed ratio semi-direct-drive compact wind power gear box transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217713604U (en) |
-
2022
- 2022-04-19 CN CN202220898699.8U patent/CN217713604U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109340318B (en) | Three-power split planetary transmission structure of compact semi-direct-drive wind power gear box | |
| CN110094464B (en) | Wind power gear box | |
| CN203686002U (en) | Differential and compact half direct-drive wind power gearbox | |
| CN105864364A (en) | Compound planetary gearbox of wind driven generator | |
| CN111734789A (en) | Single-stage large-speed-ratio tower-type planet row speed reducer | |
| CN201150022Y (en) | Planetary gear gearbox as well as speed reducing motor thereof | |
| CN217713604U (en) | Medium-high speed ratio semi-direct-drive compact wind power gear box transmission structure | |
| CN203670630U (en) | Composite planetary differential mechanism wind power gearbox | |
| CN211852684U (en) | Compact semi-direct-drive wind-driven electric gear box power split transmission structure | |
| CN211606313U (en) | Planetary gear motor for electric bicycle | |
| CN109386434B (en) | Compact semi-direct-drive wind power gear box multi-shaft power split transmission structure | |
| CN104776202A (en) | Power flow division type acceleration gearbox for 6-8MW semi-direct driving wind generation set | |
| CN210034308U (en) | Duplex planetary gear wheel-side speed reducer | |
| CN111536203A (en) | Compact hybrid drive wind generating set gear box transmission structure | |
| CN209398543U (en) | A kind of compact semi-direct driving wind electrical gearbox multiaxis power dividing drive mechanism | |
| CN205639491U (en) | Compound planetary wind -driven generator gear case | |
| CN206109760U (en) | Double dynamical washing machine reduction gear | |
| CN212407474U (en) | Compact semi-direct-drive wind generating set gear box multi-branch power split transmission structure | |
| CN209325000U (en) | The semi-directly driven wind-powered gear-box capacity of gear both sides biasing shunts planetary transmission structure | |
| CN217762020U (en) | Full-retreating type large-megawatt wind power gear box | |
| CN209813709U (en) | Single gearbox hybrid power coupling bridge based on single planet row | |
| CN104061316A (en) | Low-speed shaft supporting structure for wind power gear box | |
| CN107882925A (en) | Front drive axle of tractor deceleration transmission system | |
| US20130294916A1 (en) | Inverted Tooth Silent Drive Chain for Wind Turbine Powertrain Applications | |
| CN216519534U (en) | High-power-density semi-direct-drive ultra-compact wind power gear box structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |